Study on a failed dip slope with a thin sandy layer in 2004 Niigata-ken Chuetsu Earthquake

被引：17

作者：

Deng, Jianliang ^{[1
,2
]}

Kameya, Hiroshi

Miyashita, Yukika ^{[4
]}

Kuwano, Jiro ^{[3
]}

Kuwano, Reiko ^{[4
]}

Koseki, Junichi ^{[4
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai, Peoples R China

[2] Tokyo Univ Sci, Tokyo 162, Japan

[3] Saitama Univ, Geosphere Res Inst, Saitama, Japan

[4] Univ Tokyo, Inst Ind Sci, Tokyo 1138654, Japan

来源：

ENGINEERING GEOLOGY | 2011年 / 123卷 / 04期

基金：

日本学术振兴会;

关键词：

Triaxial compression tests; Extended Newmark and Janbu method; Earthquake-induced slope failure; Excess pore water pressure; Dip slope; PREFECTURE;

D O I：

10.1016/j.enggeo.2011.09.002

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Among the extensive failed slopes in the 2004 Niigata-ken Chuetsu Earthquake, Japan, a dip slope at Yokowatashi, Ojiya, was investigated intensively. The sliding plane was along a weak thin tuff sandy layer which had been deeply weathered. Triaxial compression tests and plane strain compression tests were performed on undisturbed specimens obtained by block sampling and boring sampling to evaluate the strength that was mobilized on the sliding plane. Stability analysis based on the test results reveals that, at normal time, without earthquake and without an extremely high groundwater level, the slope is stable. Furthermore, the calculation of earthquake-induced displacement provides a reasonable simulation of the failure of this slope. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：302 / 314

页数：13

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